[3.12] GH-124478: Cleanup argparse documentation (GH-124877)#125164

JelleZijlstra merged 1 commit intopython:3.12python/cpython:3.12from

savannahostrowski:backport-37228bd-3.12savannahostrowski/cpython:backport-37228bd-3.12Copy head branch name to clipboard